Removing Variations support for google_update_experiment_id.

chrome/browser/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 586 matching lines @@
     "metrics/thread_watcher.cc",
     "metrics/thread_watcher.h",
     "metrics/thread_watcher_android.cc",
     "metrics/thread_watcher_android.h",
     "metrics/thread_watcher_report_hang.cc",
     "metrics/thread_watcher_report_hang.h",
     "metrics/time_ticks_experiment_win.cc",
     "metrics/time_ticks_experiment_win.h",
     "metrics/variations/chrome_variations_service_client.cc",
     "metrics/variations/chrome_variations_service_client.h",
-    "metrics/variations/variations_registry_syncer_win.cc",
-    "metrics/variations/variations_registry_syncer_win.h",
     "mod_pagespeed/mod_pagespeed_metrics.cc",
     "mod_pagespeed/mod_pagespeed_metrics.h",
     "native_window_notification_source.h",
     "net/async_dns_field_trial.cc",
     "net/async_dns_field_trial.h",
     "net/chrome_cookie_notification_details.h",
     "net/chrome_extensions_network_delegate.cc",
     "net/chrome_extensions_network_delegate.h",
     "net/chrome_http_user_agent_settings.cc",
     "net/chrome_http_user_agent_settings.h",
@@ skipping 3740 matching lines @@
   # linking all of the test support.
   static_library("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }